购物时，我们要警惕一些陷阱。When shopping, we should _________________some traps .
举一反三
- When shopping, we should pay attention to ______.
- When we go shopping, we can use the Brace Map first to make a list of the things that we want to purchase.外出购物时，我们可以选择先用括号图来制作购物清单。
- 求职时要警惕哪些求职陷阱？
- When you do shopping, you should ________ your shopping list to avoid unnecessary spending.
- When making a choice, we should spend some time considering the outcome of the choice. A: gerund B: present participle